Uncommon FDC with a cachet honoring the Apollo–Soyuz Test Project docking of American and Soviet spacecraft, signed in black ink by Deke Slayton, Vance Brand, and Tom Stafford, and in blue ballpoint by Valeri Kubasov and Alexei Leonov. The cover is certified on the reverse by Kubasov in Cyrillic in blue ballpoint (translated), “From my collection, ASTP Cosmonaut, Valeri Kubasov.” In fine condition. Pre-certified Zarelli Space Authentication.
This item is Pre-Certified by STEVE ZARELLI
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